_Chevet, F._, experiments on bichloruret of sulphur, and certain carburets of hydrogen, xlii, 71. Chiastolite, analysis of, xxviii, 395. ----, in Massachusetts, vii, 51. ----, in Vermont and New Hampshire, v, 40. Chile, _Bartero_ on some of the plants of, translated by _W. S. W. Ruschenberger_, xix, 63, 299; xx, 248; xxiii, 78, 250. ----, on the rise of the coast of, xxviii, 236; xxx, 110. _Chilton, G._, improved raingauge, vii, 326.^f ----, analyses of the principal brine springs of New York, vii, 345. ----, analysis of the Clinton mineral water, xviii, 346. Chiltonite, a variety of prehnite, xlvi, 32. Chimneys, moveable hood for, xxx, 170.^f China, on the language of, _Du Ponceau_, xxxviii, 398. Chinese collection, _Dunn_, xxxv, 391. ----, fire, composition and properties of, _J. Cutbush_, vii, 118. ----, dictionary, by _Morrison_, iii, 377. ----, epicures, tongues of ducks eaten by, xxxi, 193. ----, frontier, notice of, xvii, 32. ----, metallic alloy called _packfong_, composition of, xv, 396. ----, paper, xiii, 171. ----, process for making sheet lead, vii, 391. ----, tea hills, excursion to, xxxi, 194. Chios, college of, iii, 381. _Chipman, N._, on moving stones in lakes and ponds, xiv, 303. Chitteningo fossil tree, v, 251; xviii, 354. Chlorate of potash, economical process for, _A. A. Hayes_, xvii, 408. ---- ----, as made by _S. Guthrie_, xxi, 92. Chloric ether, new mode of preparing, _S. Guthrie_, xxi, 64; xxii, 105. ---- ----, properties and medical effects of, xxi, 405. ---- ----, preparation of, _A. A. Hayes_, xxii, 163. Chlorine, theory of, ii, 362. ----, controversy regarding the nature of, xvii, 230. ----, _Davy's_ views respecting, xvii 230. ----, atomic weight of, xlvii, 188. ----, allotropism of, as connected with the theory of substitution, _J. W. Draper_, xlix, 346.^f ----, an antidote to prussic acid xxi, 157. ----, explosive reaction of, with hydrogen, _R. Hare_, xxix, 243.^f ----, ---- ----, ----, iii, 341. ----, a remedy in phthisis, xviii, 161. ----, remedy against the dangers of inspiration of, xiii, 393. ----, solubility in water, xlvii, 191. ----, relations of, with hydrogen _J. W. Draper_, xlix, 355.^f ----, and chlorides, remarks on, xiv, 382. ---- ----, uses of, _A. Chevallier_, xxiii, 129. ----, new compound of, with phosphorus and sulphur, by _M. Serullas_, xix, 382. Chlorides, alkaline, a means of disinfection, xi, 197; xiii, 169. ----, efficacy of, xviii, 159. ----, and chlorine, uses of, _A. Chevallier_, xxiii, 129. ----, experiment to determine the nature of, xxi, 368.